What happened: Darnold left after taking a sack at the end of a Seattle possession. [Seahawks injury update](https://www.seahawks.com/news/2026-week-1-seahawks-vs-patriots-injury-updates).

Why it matters: Seattle must turn to its backup quarterback to finish its first game of the 2026 season.

What to watch: Watch for Seattle's next medical update and Darnold's practice availability before Week 2.